<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			function check1(){
				let reg=/^[A-z]\w{2,14}$/
				let username=document.getElementById("username").value
				if(reg.test(username)){
					document.getElementById("r1").innerHTML="ok"
				}else document.getElementById("r1").innerHTML="error"
			}
			function check2(){
				let reg=/^1\d{10}$/
				let phone=document.getElementById("phone").value
				if(reg.test(phone)){
					document.getElementById("r2").innerHTML="ok"
				}else document.getElementById("r2").innerHTML="error"
			}
			function check3(){
				let reg=/^(0\d{2}-?\d{8})|(0\d{3}-?\d{7})$/
				let tel=document.getElementById("tel").value
				if(reg.test(tel)){
					document.getElementById("r3").innerHTML="ok"
				}else document.getElementById("r3").innerHTML="error"
			}
			function check4(){
				let reg=/^(0|([1-9]\d{0,14}))(\.\d{1,2})?$/
				let money=document.getElementById("money").value
				if(reg.test(money)){
					document.getElementById("r4").innerHTML="ok"
				}else document.getElementById("r4").innerHTML="error"
			}
		</script>
	</head>
	<body>
	输入用户昵称：<input type="text" id="username" />
	<button type="button" onclick="check1()">检测</button>
	<span id="r1"></span><br>
	输入手机号码：<input type="text" id="phone" />
	<button type="button" onclick="check2()">检测</button>
	<span id="r2"></span><br>
	输入座机号码：<input type="text" id="tel" />
	<button type="button" onclick="check3()">检测</button>
	<span id="r3"></span><br>
	输入存款金额：<input type="text" id="money" />
	<button type="button" onclick="check4()">检测</button>
	<span id="r4"></span><br>
	</body>
</html>
